Injection molding apparatus with spherical rotor

An injection molding apparatus with a spherical rotor, comprising:

• an injection oil cylinder (1), an injection base frame (2), a motor (3), a transmission mechanism (4), bases (5), radial thrust bearings (6), a hopper (7), a machine barrel (8), an electric heater (10), a moving oil cylinder (13), a gear (14) and a plunger (15);
• wherein the injection oil cylinder (1), the motor (3) and the transmission mechanism (4) and the machine barrel (8) are installed on the injection base frame (2) and a push rod of the moving oil cylinder (13) is connected with the injection base frame (2);
• the injection molding apparatus further comprises a plasticizing rotor (9);
• the plasticizing rotor (9) comprises a hemispherical rotor (91) and a cylinder (92) integrated with the hemispherical rotor (91);
• continuous external thread grooves (911) are provided on the hemispherical rotor (91);
• center holes are provided on the hemispherical rotor (91) and the cylinder (92);
• the machine barrel (8) comprises a hemispherical plasticizing cavity (81) and an injection barrel (82);
• the hemispherical rotor (91) is located in the hemispherical plasticizing cavity (81) and is rotatable;
• the hopper (7) is installed on the plasticizing cavity (81);
• a left end of the external thread groove (911) is communicated with the hopper (7) and a right end of the external thread groove (911) is communicated with the injection barrel (82);
• the radial thrust bearings (6) and the gear (14) are installed on the cylinder (92);
• the radial thrust bearings (6) are installed on the bases (5);
• the plunger (15) is provided in the center holes of the hemispherical rotor (91) and the cylinder (92) as well as the injection barrel (82) and is axially movable;
• and a right part of the plunger (15) is in clearance fit with the injection barrel (82).